A police crime lab is trying to determine whether someone was murdered or died as a result of an accident. He was struck in the temple by a 4.20 kg sculpture that is alleged to have fallen off a bookcase. The sculpture presumably fell a distance of 1.43 m and the corner that struck him had an area of 0.250 cm2 . If the time for the sculpture to stop was 1.00 ms, the pressure on his temple, in
N/m2, was
a. 8.89 × 10^4.
b. 1.65 × 10^5.
c. 1.65 × 10^6.
d. 8.89 × 10^8.
e. 1.65 × 10^9.
d
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a. straight down. b. down and inwards. c. down and outwards. d. down and backwards. e. down, backwards and outwards.
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The rate of energy flow per unit area of a sinusoidal electromagnetic wave has an average value of 0.601 W/m2
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Fill in the blank(s) with correct word